a relatively small tatami mat used in apartments

a tatami mat of the Edo (Tokyo) style

(music) to be offbeat / to be faulty; to contain mistakes

instant (period of time), the moment that something happens

(with the particle に (ni)) in the twinkling of an eye; in a flash

soon

(offensive, Internet slang) Alternative form of 子供部屋おじさん

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).

single room

double room